The Agricultural Research Center??Hays conducted a comparison of three DGPS correction sources (Coast Guard Beacon, FAA WAAS, and OmniSTAR) in both static and dynamic modes. Photo...
http://www.wkarc.org/Research/ARCH/PrecisionAg/StaticDynamic.htm
A commercial vendor that provides wide-area differential GPS service, using satellite broadcast techniques. Site includes, pricing, service and contact information.
http://www.omnistar.com
This site is maintained for the purpose of disseminating navigational status information for the GPS, DGPS, and LORAN radio navigation systems. Site includes, coverage plot map, D...
http://www.navcen.uscg.gov/
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